{"uid":"cap_QlgJLbB1S0vIL8gxDQ8_N","slug":"regex-explainer-plain-english-1a0ce351","name":"Regex Explainer (Plain English)","description":"Explain a regex in plain English. Paste the regex in message content.","url":"https://biz-integral-pull-earrings.trycloudflare.com/v1/regex-explain?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"usage":{"type":"object"},"choices":{"type":"array"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UAEjicwKSMuk8A_qEDtmh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Takes a regular expression and returns a plain-English explanation of what it matches and how it works.","exampleAgentPrompt":"Can you explain what this regex does in plain English: ^(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])*\")@","exampleUseCases":[{"title":"Decoding a complex validation regex","prompt":"Can you explain this regex in plain English so I know what inputs it allows: ^(?=.*[A-Z])(?=.*[a-z])(?=.*\\d)(?=.*[@$!%*?&])[A-Za-z\\d@$!%*?&]{8,}$"},{"title":"Understanding a URL-matching pattern","prompt":"What does this regex actually match? I found it in our codebase and I'm not sure if it's correct: https?:\\/\\/(www\\.)?[-a-zA-Z0-9@:%._\\+~#=]{1,256}\\.[a-zA-Z0-9()]{1,6}\\b([-a-zA-Z0-9()@:%_\\+.~#?&\\/\\/=]*)"},{"title":"Learning regex syntax from an example","prompt":"I'm trying to learn regex — can you walk me through what each part of this pattern does step by step: (\\d{4})-(0[1-9]|1[0-2])-(0[1-9]|[12]\\d|3[01])"}],"resultDescription":"A natural language explanation describing what the regex pattern matches, broken down by its components — character classes, quantifiers, groups, anchors, and overall intent — returned as LLM completion text in the choices array.","failureModes":["Empty or missing regex in message content returns an error or unhelpful response","Extremely long or malformed patterns may produce incomplete explanations","LLM may occasionally misinterpret ambiguous or pathological regex edge cases","Cloudflare tunnel may be unavailable (service is ephemeral/temporary infrastructure)","Payment of $0.01 USDC required per call; failed payment results in 402 response"],"whenToPreferThis":"Choose this endpoint when a developer or agent needs a human-readable breakdown of a regex they did not write or do not understand. It is ideal for code review contexts, onboarding, debugging validation logic, or documenting legacy patterns. Prefer it over general-purpose LLMs when you want a dedicated, low-cost, pay-per-call regex explanation with no API key setup required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T06:38:06.978Z","isFirstParty":false,"canonicalSlug":"regex-explainer-plain-english-1a0ce351"}